Question Detail Which have maximum number of isotopes ? BromineAluminiumPoloniumCarbon Answer: Option C Ad Similar Questions : 1. A catalyst is a substance which increases the activation energyincreases the rate of reaction and increases the equilibrium concentration of productschanges the equilibrium of a reaction so that the concentration of the product increaseshastens the attainment of equilibrium Answer: Option D 2. Which of the following elements behave chemically both as a metal and a non metal? BoronCarbonArgonMercury Answer: Option A 3. Acid rain is due to air pollution by ? Carbon dioxideCarbon monoxideMethaneNitrous oxide and Sulphur dioxide Answer: Option D 4. Which have maximum number of isotopes ? BromineAluminiumPoloniumCarbon Answer: Option C 5. Who is regarded as father of modern chemistry ? RuterfordEinsteinLavoisierC.V. Raman Answer: Option C Read more from - Chemistry Questions Answers